444920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{227}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 1169640

約数和(自身を除く): 724720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 227, 245, 280, 392, 454, 490, 908, 980, 1135, 1589, 1816, 1960, 2270, 3178, 4540, 6356, 7945, 9080, 11123, 12712, 15890, 22246, 31780, 44492, 55615, 63560, 88984, 111230, 222460, 444920]

約数ペア:

[(1, 444920), (2, 222460), (4, 111230), (5, 88984), (7, 63560), (8, 55615), (10, 44492), (14, 31780), (20, 22246), (28, 15890), (35, 12712), (40, 11123), (49, 9080), (56, 7945), (70, 6356), (98, 4540), (140, 3178), (196, 2270), (227, 1960), (245, 1816), (280, 1589), (392, 1135), (454, 980), (490, 908)]